I found a clover config which gets me finally to the installation screen.
When I select the disk utility to install macOs and want to make a fusion drive I see no hard drives.
i already copied "AHCIPortInjector.kext" and "AHCI_3rdParty_SATA.kext" to the USB but with no success.
Thanks in advance
AMD - Threadripper 1950X 3.4GHz 16-Core Processor
Gigabyte - X399 AORUS Gaming 7 ATX TR4 Motherboard
Asus - GeForce GTX 1080 Ti 11GB STRIX GAMING Video Card
Samsung - 960 EVO 500GB M.2-2280 Solid State Drive
Corsair - Vengeance LED 64GB (4 x 16GB) DDR4-3200 Memory